Troliver

stories of war between boy and machine

Uploading data to a webserver Part 1 – C/C++ and CURL

Following on from the last post on the topic of capturing packet data from a network, this guide demonstrates how you can use a cURL library to upload data from an application written in C (or C++) to a webserver. Although at times I refer to previous examples, you can use this in any number of applications. This will touch […]

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Update!

So it has been a while since I last posted, because I now have a new job as of January! My new role is IT Infrastructure Engineer, although software development is still something I pursue when I can. In my new job, I am now responsible for a college’s IT infrastructure, including backups, deployment and […]

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Decoding LLDP and CDP packets using a TLV reader for C++

Further to my previous post, this post details how to interpret network discovery packets – LLDP and CDP – that have been captured on a network interface. To do this, I’ll explain how to create a Type, Length and Value reader that reads an array of characters, determines the type of packet and its subsequent data fields […]

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Capturing LLDP and CDP packets using C++ and WinPcap

I’ll categorise and change the order of posts later perhaps, but here is the first in a series on how I made an application to record the switchport and vlan, of a switch, that a computer is connected to. This setup will work where: You have a Windows PC with Winsock installed (Windows XP or later […]

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Progress update: network mapping tool thing

The last 6 months have become very busy, so I decided to take a break from the breaking (and fixing) of our servers and get back to the program I’ve been working on to map network information (for which I still have no real name for). Progress had been going quite well; by around December last year, […]

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